Londonis the capital city of England and of the United Kingdom. It is the most populous region, urban zone andmetropolitan area in the United Kingdom. Standing on the River Thames, London has been a major settlement for two millennia, its history going back to its founding by the Romans, who named it Londinium.[5]London’s ancient core, the City of London, largely retains its 1.12-square-mile (2.9 km2) mediaevalboundaries and in 2011 had a resident population of 7,375, making it the smallest city in England.
Source: Wikipedia